Breitling Chronomat B31 Automatic 40

The Breitling Chronomat B31 Automatic 40 (ref. AB3114101A1A1) pairs a 40 mm steel case with a matching steel bezel and a white dial protected by a sapphire crystal. Inside is the automatic Breitling calibre B31, offering a power reserve of 78 hours and including a date function. The case is water resistant to 200 metres and measures 11 mm thick.